function initArray() {
	this.length = initArray.arguments.length
	for (var i = 0; i < this.length; i++)
		this[i + 1] = initArray.arguments[i]
}
var d = new initArray("星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六");
var timerID = null;
var timerRunning = false;
function stopclock() {
	if (timerRunning)
		clearTimeout(timerID);
	timerRunning = false;
}
function startclock() {
	stopclock();
	showtime();
}
function showtime() {
	var now = new Date();
	var year = now.getFullYear();
	var month = now.getMonth() + 1;
	var date = now.getDate();
	var week = d[now.getDay() + 1]
	var hours = now.getHours();
	var minutes = now.getMinutes();
	var seconds = now.getSeconds()
	var timeValue = "" + year + "年 ";
	timeValue += month + "月";
	timeValue += date + "日 ";
	timeValue += ((hours >= 12) ? "下午 " : "上午 ")
	timeValue += ((hours > 12) ? hours - 12 : hours)
	timeValue += ((minutes < 10) ? ":0" : ":") + minutes
	timeValue += ((seconds < 10) ? ":0" : ":") + seconds
	timeValue += " " + week;
	document.getElementById("systemTime").value = timeValue;
	//Ext.get('systemTime').dom.value = timeValue;
	timerID = window.setTimeout("showtime()", 1000);
	timerRunning = true;

}